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Gaseous and liquid argon. Specifications

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Petroleum and petroleum products. Methods of sampling

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Solid biofuel. Conversion of analytical results on different basis

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Test methods for chemicals of environmental hazard. Honeybees: acute oral toxicity test

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Niobium pentoxide. Atomic-emission method for determination of titanium , silicon, iron, nickel, aluminium, magnesium, manganese, cobalt, chromium, lead and zirconium

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Combustible shales. Method for the accelerated determination of carbon dioxide content of the carbonates

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